High-density spatial light modulator
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United States of America Patent
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Apr 11, 2006
Grant Date -
Mar 31, 2005
app pub date -
Sep 17, 2004
filing date -
Sep 26, 2003
priority date (Note) -
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Abstract
In one embodiment, a high-density spatial light modulator includes a substrate having a reflective surface and a reflective ribbon over the reflective surface. The ribbon may have one or more openings, such as rectangular slots. The openings allow light to pass through the ribbon and impinge on the reflective surface. Deflecting the ribbon towards the substrate thus allows for dynamically-controllable diffraction of incident light. The spatial light modulator pixel requires less space than a conventional light modulator, thus allowing for relatively large pixel count within a manufacturable device size. Other embodiments are also disclosed.
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